Category: Expanders of the I/O

A versatile expander supported by the I2C interface, which significantly expands the capabilities of microcontrollers and microcomputers. It is based on the ATSAMD09 microcontroller and comes with default software that can be modified to suit the needs of the project. Adafruit 3657

16-channel IO expander with 7 analog inputs. It communicates via the USB interface. Numato Lab GP160001

8-channel IO expander with 6 analog inputs. Communicates via the Bluetooth wireless interface. Numato Lab BTIO001X

4-channel PCIe to SATA 3.0 port expander. It can be powered with 12 V via a PCIe connector or 5/12 V via an external DC connector. Waveshare PCIe-TO-SATA-4P

32-channel IO expander with 7 analog inputs. It communicates via the USB interface. Numato Lab GP320001

Module with an IO pin expander based on the TCA9534 system. It allows you to add 8 GPIO pins to an I2C-controlled project. SparkFun DEV-17047

8-channel I2C expander module based on the TCA9548A system. The module has Qwiic connectors and allows communication with many I2C devices that have the same address. Sparkfun BOB-16784

Module with 8 inputs for data acquisition from DS18B20 temperature sensors. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP3066ADAM

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version without Pull-Up resistors. Numato Lab GP80001

8-channel IO expander with 6 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Numato Lab GP80002-B

16-channel PoE GPI/GPO module enabling connection of a PC to other electronic circuits via a network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLGP1001-A

8-channel IO expander with 6 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Numato Lab GP80002

32-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector at the bottom. Numato Lab GP320002-B

32-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector on top. Numato Lab GP320002

A 4-channel I2C expander module, which is based on the TCA9546A chip. It allows connecting several devices with the same address to a single I2C interface. Adafruit 5663

8-channel module with digital inputs/outputs with an operating voltage range from 5 to 36 V. It communicates via the RS485 interface and supports communication within the Modbus RTU protocol. The board is enclosed in a housing that can be mounted on an industrial rail. Waveshare Modbus RTU IO 8CH

Module with 32 IO pins and 14 analog inputs. It communicates via the RS485, USB or Ethernet interface and supports the Modbus RTU/TCP protocol. Numato Lab NLGM1002-A

DAQ device based on USB communication and equipped with 8 counter inputs, 4 PWM outputs and 8 digital IOs. Digilent 6069-410-028

32-channel IO expander with 14 analog inputs. Communicates via the WiFi wireless interface. Numato Lab GPWIFI320001

Micro:Mate is an expansion board for the micro: bit development module. It provides six 3-pin connectors with I/O outputs, a 3.5mm audio jack connector and is powered from a 5V microUSB connector. DFRobot DFR0518